Organ of Cuerpo Facultativo de Archiveros, Bibliotecarios y Arqueólogos, 1871-1947
Vols. for 1871-78 also called t. 1-8; vol. for 1883 also called 2. época, t. 9; v. 1-52, 1897-1931 also called 3. época, año 1-35; v. 53-50, 1947-53 also called "4. época, año 1-7"; v. 60-64 also called "5. época"
Issues 1948- by the Consejo Superior de Investigaciones Científicas. Instituto Nicolás Antonio de Bibliografía
Numbering slightly irregular
Supplements accompany some numbers
Title varies: 1896, Boletin de archivos, bibliotecas y museos
